/*
This file is part of EZRide.
Copyright 2007 Dwight Barkley, 
Copyright 2010 Vadim Biktashev & Andrew Foulkes.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _EZGRAPH_
#define _EZGRAPH_

#define WINDOW_TITLE "EZRide"

#define WINX         0      /* Window location, in pixels, from screen left */
#define WINY         0      /* Window location, in pixels, from screen top. */
#define WM_CTRLS_POS 0      /* If WM_CTRL_POS is 0 then the window is placed
			     * at (WINX, WINY). If WM_CTRL_POS is 1 then WINX
			     * and WINY are ignored and the location is
			     * determined by the window manager. */
#define WINSIZE      400    /* Window is square of this size in pixels. */
#define PLOT_SIZE    1.2    /* This controls the size of the simulation
			     * volume in the view port: >1.0 for larger
			     * size, <1.0 for smaller size. */

#define BACKGROUND   1.0    /* Background color (R=G=B=BACKGROUND, so 0.0 gives
			       BLACK, 1.0 gives WHITE) */

/* Here I plot the tip path as a line. For multiple tips you will probably
   want to use points. by defining TIP_PLOT_TYPE to be GL_POINTS  */

#define TIP_PLOT_TYPE GL_LINE_STRIP
#define TIP_WT  1.0
#define TIP_R   1.0
#define TIP_G   1.0
#define TIP_B   1.0


/* --------------------------------------------- 
 * You probably should not change anything below 
 * --------------------------------------------- */

#define GLRECT(x1,y1,x2,y2)  glRectf((x1),(y1),(x2),(y2))
#define GLCOLOR3(r,g,b)      glColor3f((r),(g),(b))
#define GLVERTEX2(x,y)       glVertex2f((x),(y))

#define PX(x) ((rect_h*((x)-1.))-half_width)
#define PY(y) ((rect_h*((y)-1.))-half_height)


#define TRUE             1   
#define FALSE            0

#define NO_FIELD        -1
#define U_FIELD          0     /* These are used to determine which field */
#define V_FIELD          1     /* (if any) is being plotted */
#define P_FIELD		 2

#define MODE_SIMULATING  1   
#define MODE_VIEWING     2   

#endif /*  _EZGRAPH_  */